26320021

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1297}}^1$

素因数の和:1540

約数の個数: 16

約数和(自身を含む): 32564224

約数和(自身を除く): 6244203

約数列:

[1, 7, 13, 91, 223, 1297, 1561, 2899, 9079, 16861, 20293, 118027, 289231, 2024617, 3760003, 26320021]

約数ペア:

[(1, 26320021), (7, 3760003), (13, 2024617), (91, 289231), (223, 118027), (1297, 20293), (1561, 16861), (2899, 9079)]